28404924

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 71688960

約数和(自身を除く): 43284036

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 83, 114, 158, 166, 228, 237, 249, 316, 332, 361, 474, 498, 722, 948, 996, 1083, 1444, 1501, 1577, 2166, 3002, 3154, 4332, 4503, 4731, 6004, 6308, 6557, 9006, 9462, 13114, 18012, 18924, 19671, 26228, 28519, 29963, 39342, 57038, 59926, 78684, 85557, 89889, 114076, 119852, 124583, 171114, 179778, 249166, 342228, 359556, 373749, 498332, 747498, 1494996, 2367077, 4734154, 7101231, 9468308, 14202462, 28404924]

約数ペア:

[(1, 28404924), (2, 14202462), (3, 9468308), (4, 7101231), (6, 4734154), (12, 2367077), (19, 1494996), (38, 747498), (57, 498332), (76, 373749), (79, 359556), (83, 342228), (114, 249166), (158, 179778), (166, 171114), (228, 124583), (237, 119852), (249, 114076), (316, 89889), (332, 85557), (361, 78684), (474, 59926), (498, 57038), (722, 39342), (948, 29963), (996, 28519), (1083, 26228), (1444, 19671), (1501, 18924), (1577, 18012), (2166, 13114), (3002, 9462), (3154, 9006), (4332, 6557), (4503, 6308), (4731, 6004)]